/*
Eteria IRC Client, an RFC 1459 compliant client program written in Java.
Copyright (C) 2000-2001  Javier Kohen <jkohen at tough.com>

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

import java.awt.*;
import java.awt.event.*;
import java.io.IOException;
import java.net.URL;
import java.util.Observable;
import java.util.StringTokenizer;

import ar.com.jkohen.awt.*;
import ar.com.jkohen.irc.Channel;
import ar.com.jkohen.irc.MircMessage;
import ar.com.jkohen.util.ConfigurationProperties;
import ar.com.jkohen.util.Resources;


class PrivateWindow extends ChatWindow implements ActionListener, ItemListener
{
    private TextFieldHistory entry;
    private ImageButton whois;
    private ImageButton close;
    private ImageButton kill;
	
	private Choice color;

    private EIRC eirc;
    private String user;
	private String last_attr;
    private Resources res;
	private boolean is_bot;

    public PrivateWindow(EIRC eirc, String u, String title)
	{
    	super(title);

      	this.eirc = eirc;
    	this.user = u;
		this.is_bot = eirc.isService(u);
		
		text_canvas.setMode(eirc.scrollSpeed());

    	GridBagLayout gb = new GridBagLayout();
    	GridBagConstraints gbc = new GridBagConstraints();

    	setLayout(gb);
    	gbc.insets = new Insets(2, 2, 2, 2);
		gbc.gridy = 0;

		/* Component's initialization
		 */

		gbc.weightx = 1.0;
		gbc.weighty = 1.0;
		gbc.gridwidth = 4;
		gbc.fill = GridBagConstraints.BOTH;
		gb.setConstraints(text_canvas, gbc);
		add(text_canvas);

		gbc.weightx = 0.0;

    	// From here below, everything fills the space horizontally.
		gbc.gridwidth = 1;
      	gbc.fill = GridBagConstraints.NONE;
    	gbc.weightx = 1.0;
		gbc.weighty = 0.0;

    	/* Next Row */
		gbc.gridx = 0;
    	gbc.gridy++;

    	color = new Choice();
        StringTokenizer tk = new StringTokenizer(res.getString("conf.write_col_list"), ",");
    	while (tk.hasMoreTokens())
    		color.add(tk.nextToken());
		gbc.anchor = GridBagConstraints.WEST;
		gb.setConstraints(color, gbc);
		add(color);
		color.setEnabled(!is_bot);

     	gbc.weightx = 0;
		gbc.gridx++;
		
    	whois = new ImageButton(Resources.getLabel("pv.text.whois"), Resources.getImage("pv.icon.whois"));
    	whois.setEnabled(true);
    	gb.setConstraints(whois, gbc);
    	add(whois);
		
		gbc.gridx++;
		
    	kill = new ImageButton(Resources.getLabel("pv.text.kill"), Resources.getImage("pv.icon.kill"));
    	kill.setEnabled(true);
    	gb.setConstraints(kill, gbc);
    	add(kill);
		
		gbc.gridx++;
    	
        close = new ImageButton(Resources.getLabel("pv.text.close"), Resources.getImage("pv.icon.close"));
        close.setEnabled(true);
		gbc.anchor = GridBagConstraints.EAST;
    	gb.setConstraints(close, gbc);
    	add(close);
		
		gbc.gridx = 0;
    	gbc.gridy++;

    	this.entry = new TextFieldHistory(eirc.getFrame());
		gbc.anchor = GridBagConstraints.CENTER;
		gbc.fill = GridBagConstraints.HORIZONTAL;
    	gbc.gridwidth = 4;
    	gb.setConstraints(entry, gbc);
    	add(entry);


    	/* Event Listeners
    	 */

      	whois.addActionListener(this);
      	close.addActionListener(this);
      	kill.addActionListener(this);
    	entry.addActionListener(this);
		color.addItemListener(this);
    }

    public void requestFocus()
	{
		entry.requestFocus();
    }

    protected String getNick()
	{
		return eirc.getNick();
    }

    protected void visitURL(URL url)
	{
		eirc.visitURL(url);
    }

    protected void joinChannel(String name)
    {
		eirc.joinChannel(name);
    }
    
	protected void bell()
	{
		// Not used here, see EIRC.java PRIVMSG process.
	}
	
    protected void talkTo(String nick)
    {
   	    String text = entry.getText();
   	    nick += " ";

   	    // Insert nick at caret position.
   	    int pos = entry.getCaretPosition();

   	    text = text.substring(0, pos).concat(nick).concat(text.substring(pos));

   	    entry.setText(text);
   	    entry.setCaretPosition(pos + nick.length());
   		entry.requestFocus();
    }
	
	protected void copyText(String s)
    {
		eirc.cutPaste(s);
    }

    public void update(Observable o, Object arg)
	{
		super.update(o, arg);

		ConfigurationProperties props = (ConfigurationProperties) o;
		
		if (arg == null || arg.equals("write_color"))
	    	color.select(props.getInt("write_color"));
    }

    public void setEnabled(boolean b)
    {
		entry.setEnabled(b);
		whois.setEnabled(b);
		kill.setEnabled(b);
		close.setEnabled(b);
    }
	
    public void setFont(Font f)
    {
		super.setFont(f);
		entry.setFont(f);
		whois.setFont(f);
		kill.setFont(f);
		close.setFont(f);
    }
    
	public void setBackground(Color c)
	{
		super.setBackground(c);
		whois.repaint();
		close.repaint();
		kill.repaint();
	}
	
    public void setTextBackground(Color c)
	{
		text_canvas.setBackground(c);
		entry.setBackground(c);
    }

    public void setTextForeground(Color c)
	{
		text_canvas.setForeground(c);
		entry.setForeground(c);
    }
	
    public void setSelectedBackground(Color c)
	{
		text_canvas.setSelectedBackground(c);
    }

    public String getUser()
	{
		return(user);
    }

    public void setUser(String s)
	{
		this.user = s;
    }

    public void actionPerformed(ActionEvent ev)
	{
    	Object comp = ev.getSource();

    	if (comp.equals(entry))
		{
    	    String text = entry.getText();
    	    if (text.length() <= 0)
	    		return;

    	    // See if it's a command.
    	    if (text.charAt(0) == '/')
			{
    			// Remove slash.
    			text = text.substring(1);

	    		// Avoid empty (or pure white space) input.
	    		if (text.trim().length() > 0)
    			    eirc.sendCommand(text, this);
    	    }
			else
			{
				String message = entry.getText();
				if (message.length() > 450)
					message = message.substring(0, 449);
				if (color.getSelectedIndex() != 1 && !is_bot)
					message = MircMessage.attrEncode(MircMessage.COLOR) + color.getSelectedIndex() + " " + message;
					
    			printMyPrivmsg(message);

    			String [] p = { user, message };
    			eirc.sendMessage("PRIVMSG", p);
    	    }

			entry.setText("");
    	} 
		else if (comp.equals(whois))
		{
		    String p[] = { user };
		    if (p[0] != null)
				eirc.sendMessage("WHOIS", p);
		}
		else if (comp.equals(close))
		{
		    this.dispose();
		}
		else if (comp.equals(kill))
		{
		    if (user != null)
				eirc.sendCommand("IGNORE " + user, this);
		}
    }
	
	public void itemStateChanged(ItemEvent e) 
	{
		if (e.getSource() == color)
			entry.requestFocus();
	}
}
